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Here are the replacement steps for the broken sliding door pulley:
1、 How to replace the sliding door pulley when it is broken
First, lift one end of the sliding door perpendicular to the ground with one hand, sweep the lower part of the pulley of the sliding door with one hand, and lift the pulley of the door and window. Then lift one end of the sliding door out of the track and put it down. Similarly, lift the other end of the sliding door of the balcony out of the track. Then hold both ends of the sliding door with both hands and lift it up. In this process, we should pay attention to safety and do what we can.

1. For the removal of the pulley of the sliding door, it is recommended to put the door flat on the ground first, and then observe the sliding door. Usually, there is a wool strip at one end of the door frame, some are directly adhered to the door frame, and some are adhered to the door frame
2. For the top glued to the door frame, just pull it open and pull it to the second screw hole. The screw hole at the bottom is the screw hole for fixing the door and window pulley, and the screw hole above is the screw hole for fixing the aluminum alloy frame. Insert a 6mm hex wrench into the round hole.
3. At this time, press the door and window pulley of the sliding door with one hand, use tools to remove the screws, and then pull out the door and window pulley. This is to remove the sliding door pulley. Other upper and lower door and window pulleys are the same disassembly method.
4. Push the upper pulley into the gap between the screw cap and the inner wall of the door frame. In order to keep the upper pulley at a certain distance, a piece of cardboard is sandwiched between the upper edge of the door frame and the plane of the upper pulley. Then tighten the screws.
5. The upper pulley is installed. Remove the cardboard.
6. Turn the sliding door over, put it up, insert the screws through the round hole at the bottom, press and hold the lower pulley by hand, so that the screw hole of the adjustment box can be perpendicular to the screws, so that the screws can be screwed in easily. Use a 5mm hex wrench to tighten the screws.
7. After the screw is screwed into the adjustment box, it can be screwed for another five turns. So far, the upper and lower pulleys on one side of the sliding door have been installed.
Now let's talk about the solutions for the broken sliding door pulley
1、 Pulley derailment
If this happens, the door frame will slide in the track directly, which will be very laborious in use and damage the door frame. It is recommended to lift the door slightly and let the pulley return to the track.
2、 Pulley damage
This may be because the pulley is damaged. If this happens, it means that the door is too heavy, resulting in the pulley can not bear gravity and deformation. In serious cases, it will be crushed or the pulley bearing is damaged, resulting in the wheel stuck and can not be used. At this time, the pulley needs to be replaced.
3、 Track deformation
If the pulley is not damaged, the track may be deformed. Generally speaking, under the heavy pressure of external force, the track will be deformed, so that the pulley cannot slide normally, or there are sundries inside the track. At this time, it is necessary to repair and clean the track in time.
Next, I'll tell you what to do when the sliding door rings?
Firstly, the sliding rail of the sliding door is not lubricated enough, which leads to the squeaking of the sliding door. You can drip edible oil on the wheel rail, ball and other positions and wipe the grease on the slide. Then pull the sliding door back and forth for several times, which can basically solve the problems of abnormal noise and poor pushing and pulling. It is best not to use lubricating oil or ordinary butter, because the lubricating oil volatilizes quickly and soon loses, affecting the lubrication effect, Ordinary butter will emit some gases that affect the human body, which is not suitable for use.